Home / 34,375.16-47,440.76-20,034.20

Finding the Fourth Proportional to 34,375.16, 47,440.76 and 20,034.20

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Solution

The fourth proportional to 34,375.16, 47,440.76 and 20,034.20 is: 27,648.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,375.16 : 47,440.76 = 20,034.20 : x
  2. Step 2: Convert to fraction form
    34,375.16/47,440.76 = 20,034.20/x
  3. Step 3: Cross multiply
    34,375.16x = 47,440.76 × 20,034.20
  4. Step 4: Simplify right side
    34,375.16x = 950,437,336.62
  5. Step 5: Solve for x
    x = 950,437,336.62/34,375.16
  6. Step 6: Final answer
    x = 27,648.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.